摘要
对某电网两起线路故障后引起电网频率的超调量明显偏大、过渡时间过长而暴露的机组调频方面的问题进行了全面分析,说明了完善DEH机组调频控制功能、改善调节特性对保证供电质量、提高电网调频品质有很大的作用。
The problems of frequency modulation were studied,including over modulation and long transition time after line faults. The resulzs show that improving the frequence-modulated characteristic of DEH unit is very important to guarantee the power quality.
出处
《机械工程与自动化》
2006年第4期144-145,147,共3页
Mechanical Engineering & Automation
关键词
线路故障
DEH机组
调频控制
line fault
DEH unit
frequence-modulated control
